Mitsubishi 380 P2187:  Bank 1 A/F Mixture Too Lean”

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P2187 is a DTC code that can occur in the Mitsubishi 380.  It indicates the air fuel mixture is too lean at idle. The technical definition for P2187 “System Too Lean at Idle: Bank 1”.  The code is thrown after your 380’s oxygen sensor on Bank 1 (usually sensor 1) has detected that the air … Read more

GMC Sonoma P2187:  Bank 1 A/F Mixture Too Lean”

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P2187 is a DTC code that can occur in the GMC Sonoma.  It indicates the air fuel mixture is too lean at idle. The technical definition for P2187 “System Too Lean at Idle: Bank 1”.  The code is thrown after your Sonoma’s oxygen sensor on Bank 1 (usually sensor 1) has detected that the air … Read more

Pontiac Aztec P2187:  Bank 1 A/F Mixture Too Lean”

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P2187 is a DTC code that can occur in the Pontiac Aztec.  It indicates the air fuel mixture is too lean at idle. The technical definition for P2187 “System Too Lean at Idle: Bank 1”.  The code is thrown after your Aztec’s oxygen sensor on Bank 1 (usually sensor 1) has detected that the air … Read more

Pontiac Firebird P2187:  Bank 1 A/F Mixture Too Lean”

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P2187 is a DTC code that can occur in the Pontiac Firebird.  It indicates the air fuel mixture is too lean at idle. The technical definition for P2187 “System Too Lean at Idle: Bank 1”.  The code is thrown after your Firebird’s oxygen sensor on Bank 1 (usually sensor 1) has detected that the air … Read more